simplelock.py 文件源码

def release(self):           
        if os.name == 'nt':
            msvcrt.locking(self.lockfile.fileno(), msvcrt.LK_UNLCK, 1)
        else:
            fcntl.lockf(self.lockfile, fcntl.LOCK_EX | fcntl.LOCK_NB)

        if self.lockfile is not None:
            self.lockfile.close()
            self.lockfile = None